It refers to a kind of inhalable dry powder, which contains an aminobenzene derivative from preparation (I): R1 is - (CH2) P - (W)； P is a 1-4 whole； P is missing or selected from s, so, SO2, O and CO； W is h, arilo and heteromorphism, where arilo and heteromorphism are replaced by halogen, oh, SH, etc. A physiologically acceptable anion, such as chlorination, bromine, iodine, etc., as well as solid vehicle particles such as cellophane or polyalcohol； in addition, it also includes one or more additives, such as amino acids, lubricants, skateboards, etc.There are others This formula is useful for the treatment of inflammatory or obstructive diseases of respiratory tract infection.SE REFIERE A UNA FORMULACION EN POLVO SECA INHALABLE, QUE COMPRENDE UN DERIVADO DE AMINOESTER DE FORMULA (I) DONDE: R1 ES ---(CH2)p---P---W； p ES UN ENTERO DE 1 A 4； P ESTA AUSENTE O SE SELECCIONA DE S, SO, SO2, O Y CO； W ES H, ARILO Y HETEROARILO, DONDE ARILO Y HETEROARILO ESTAN OPCIONALMENTE SUSTITUIDOS POR HALOGENO, OH, SH, ENTRE OTROS； A¯ ES UN ANION FISIOLOGICAMENTE ACEPTABLE TAL COMO CLORURO, BROMURO, IODURO, ENTRE OTROS Y PARTICULAS DE UN VEHICULO SOLIDO TAL COMO UN AZUCAR CRISTALINO O UN POLIALCOHOL； ADEMAS COMPRENDE UNO O MAS MATERIALES ADITIVOS TAL COMO AMINOACIDOS, LUBRICANTES, DESLIZANTES, ENTRE OTROS. DICHA FORMULACION ES UTIL PARA EL TRATAMIENTO DE UNA ENFERMEDAD INFLAMATORIA U OBSTRUCTIVA DE LAS VIAS RESPIRATORIAS
